Merge branch 'hotfix' into 'master'

Fix issue with Fortran interface

 * Fix some printing in the checkAxb for forward error
 * Add the spmf pkg-config file.
 * Update the cmake_module file to integrate the generice pkg-config
file and env.sh generation macros
 * Fix issue solverstack/pastix!29 with the fortran interface to avoid
mixing C Malloc/Free and Fortran Allocate/deallocate
 * `spmCheckAndCorrect` interface has been modified
 * Fix warnings about enum types with intel compilers.

See merge request !10